Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 314 [Rate centres in NPA 314] [Dial plan for NPA 314]

NXX: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-858 A Kirkwood MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520      
314-858 0 Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2013-11-25   
314-858 1 Kirkwood MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2013-11-22   
314-858 2 Kirkwood MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2015-08-28   
314-858 3 Kirkwood MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2015-08-28   
314-858 4 Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2013-11-25   
314-858 5 Kirkwood MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2014-01-06   
314-858 6 Kirkwood MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-05-02   
314-858 7 Kirkwood MO WNVLMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-11-30   
314-858 8 Kirkwood MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-05-02   
314-858 9 Kirkwood MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2016-03-23   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.